Modular study furniture



FIG. 1 is a perspective view of an embodiment of the ornamental design for modular study furniture according to the invention;

FIG. 2 is a front view thereof,

FIG. 3 is a side view thereof; and,

FIG. 4 is a top view thereof.

The material in dotted lines forms no part of my design. 

The ornamental design for modular study furniture, as shown and described. 